import Vue from "vue";
import VueRouter from "vue-router";

// 使用路由懒加载导入组件
// import Login from '../components/Login.vue'
const Login = () => import(/* webpackChunkName: "login_home_welcome" */ "../components/Login.vue");
// import Home from '../components/Home.vue'
const Home = () => import(/* webpackChunkName: "login_home_welcome" */ "../components/Home.vue");
// import Welcome from '../components/Welcome.vue'
const Welcome = () => import(/* webpackChunkName: "login_home_welcome" */ "../components/Welcome.vue");

// import Users from '../components/user/Users.vue'
const Users = () => import(/* webpackChunkName: "users_rights_roles" */ "../components/user/Users.vue");
// import Rights from '../components/power/Rights.vue'
const Rights = () => import(/* webpackChunkName: "users_rights_roles" */ "../components/power/Rights.vue");
// import Roles from '../components/power/Roles.vue'
const Roles = () => import(/* webpackChunkName: "users_rights_roles" */ "../components/power/Roles.vue");

// import Cate from '../components/goods/Cate.vue'
const Cate = () => import(/* webpackChunkName: "cate_params" */ "../components/goods/Cate.vue");
// import Params from '../components/goods/Params.vue'
const Params = () => import(/* webpackChunkName: "cate_params" */ "../components/goods/Params.vue");

// import GoodsList from '../components/goods/List.vue'
const GoodsList = () => import(/* webpackChunkName: "goodsList_add_edit" */ "../components/goods/List.vue");
// import Add from '../components/goods/Add.vue'
const Add = () => import(/* webpackChunkName: "goodsList_add_edit" */ "../components/goods/Add.vue");
// import Edit from '../components/goods/Edit.vue'
const Edit = () => import(/* webpackChunkName: "goodsList_add_edit" */ "../components/goods/Edit.vue");

// import Order from '../components/order/Order.vue'
const Order = () => import(/* webpackChunkName: "order_report" */ "../components/order/Order.vue");
// import Report from '../components/report/Report.vue'
const Report = () => import(/* webpackChunkName: "order_report" */ "../components/report/Report.vue");

Vue.use(VueRouter);

const routes = [
	{ path: "/", redirect: "/login" },
	{ path: "/login", component: Login },
	{
		path: "/home",
		component: Home,
		redirect: "/users",
		children: [
			{ path: "/welcome", component: Welcome },
			{ path: "/users", component: Users },
			{ path: "/rights", component: Rights },
			{ path: "/roles", component: Roles },
			{ path: "/categories", component: Cate },
			{ path: "/params", component: Params },
			{ path: "/goods", component: GoodsList },
			{ path: "/goods/add", component: Add },
			{ path: "/goods/edit", component: Edit },
			{ path: "/orders", component: Order },
			{ path: "/reports", component: Report },
		],
	},
];

const router = new VueRouter({
	routes,
});

// 挂载路由导航守卫
router.beforeEach((to, from, next) => {
	// to 将要访问的路径
	// from 代表从哪个路径跳转来
	// next 是一个函数，表示放行

	if (to.path === "/login") {
		return next();
	}
	// 获取 token
	const tokenStr = sessionStorage.getItem("token");
	// 如果没有token 则强制跳转到登录页面
	if (!tokenStr) {
		return next("/login");
	}
	next();
});

export default router;
